Home / 11,147.00-16,709.03-4,905.86

Finding the Fourth Proportional to 11,147.00, 16,709.03 and 4,905.86

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Solution

The fourth proportional to 11,147.00, 16,709.03 and 4,905.86 is: 7,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.00 : 16,709.03 = 4,905.86 : x
  2. Step 2: Convert to fraction form
    11,147.00/16,709.03 = 4,905.86/x
  3. Step 3: Cross multiply
    11,147.00x = 16,709.03 × 4,905.86
  4. Step 4: Simplify right side
    11,147.00x = 81,972,053.84
  5. Step 5: Solve for x
    x = 81,972,053.84/11,147.00
  6. Step 6: Final answer
    x = 7,353.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.